题目内容
2．No one was sure how long the rainstormwould last（last） at that moment．分析 没人知道那一刻暴风雨会持续多久．
解答 答案：would last 考查单词填空．根据题干，本句是由how long引导的从句，前面用was是过去式，又由at that moment为将来时，所以用过去将来时，所以答案是 would last
点评 解答此题的关键是根据语境推测要填内容表达的含义，然后能理解各选项内容，有时可能没有必要细细区分每个单词的含义，仅根据句子语气就可以判断出正确答案．
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